  const useRegular = () => {
    const regEmail = (val: string) => {
        //Email正则
        var ePattern = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
        //正确输出 true
        return ePattern.test(val)
    }
    return {
        regEmail
    }
}

export default useRegular